Minishell functions

Internal important functions

C Function	Description
<function>

External allowed functions

C Function	Description	Required Headers
readline	Read a line from the user input with editing support.	#include <readline/readline.h> #include <readline/history.h>
rl_clear_history	Clear the history of previously entered lines in readline.	#include <readline/history.h>
rl_on_new_line	Signal readline that the cursor is on a new line.	#include <readline/readline.h> #include <readline/history.h>
rl_replace_line	Replace the current input line in readline.	#include <readline/readline.h> #include <readline/history.h>
rl_redisplay	Redisplay the current input line in readline.	#include <readline/readline.h> #include <readline/history.h>
add_history	Add a line to the history list in readline.	#include <readline/history.h>
printf	Print formatted data to the standard output.	#include <stdio.h>
malloc	Allocate memory dynamically.	#include <stdlib.h>
free	Deallocate dynamically allocated memory.	#include <stdlib.h>
write	Write data to a file descriptor.	#include <unistd.h>
access	Check user's permissions for a file.	#include <unistd.h>
open	Open a file or create it if it doesn't exist.	#include <fcntl.h>
read	Read data from a file descriptor.	#include <unistd.h>
close	Close a file descriptor.	#include <unistd.h>
fork	Create a new process by duplicating the current process.	#include <unistd.h>
wait	Wait for any child process to terminate.	#include <sys/wait.h>
waitpid	Wait for a specific child process to terminate.	#include <sys/wait.h>
wait3	Wait for child process termination with resource usage information.	#include <sys/wait.h>
wait4	Wait for child process termination with additional options.	#include <sys/wait.h>
signal	Set a signal handler for a specific signal.	#include <signal.h>
sigaction	Set or get signal action.	#include <signal.h>
sigemptyset	Initialize an empty signal set.	#include <signal.h>
sigaddset	Add a signal to a signal set.	#include <signal.h>
kill	Send a signal to a process.	#include <signal.h>
exit	Terminate the current process.	#include <stdlib.h>
getcwd	Get the current working directory.	#include <unistd.h>
chdir	Change the current working directory.	#include <unistd.h>
stat	Get file status.	#include <sys/stat.h>
lstat	Get symbolic link status.	#include <sys/stat.h>
fstat	Get file status from file descriptor.	#include <sys/stat.h>
unlink	Delete a name from the file system.	#include <unistd.h>
execve	Execute a program.	#include <unistd.h>
dup	Duplicate a file descriptor.	#include <unistd.h>
dup2	Duplicate a file descriptor to a specific file descriptor number.	#include <unistd.h>
pipe	Create a pipe (interprocess communication).	#include <unistd.h>
opendir	Open a directory for reading.	#include <dirent.h>
readdir	Read a directory entry.	#include <dirent.h>
closedir	Close a directory stream.	#include <dirent.h>
strerror	Get string representation of error number.	#include <string.h>
perror	Print error message to standard error.	#include <stdio.h>
isatty	Check if a file descriptor refers to a terminal.	#include <unistd.h>
ttyname	Get the name of the terminal.	#include <unistd.h>
ttyslot	Get the slot number of the current terminal in the tty database.	#include <curses.h>
ioctl	Control device (input/output) operations.	#include <termios.h>
getenv	Get the value of an environment variable.	#include <stdlib.h>
tcsetattr	Set terminal attributes.	#include <termios.h>
tcgetattr	Get terminal attributes.	#include <termios.h>
tgetent	Initialize the terminfo database.	#include <curses.h>
tgetflag	Get boolean terminfo capability.	#include <curses.h>
tgetnum	Get numeric terminfo capability.	#include <curses.h>
tgetstr	Get string terminfo capability.	#include <curses.h>
tgoto	Generate a cursor motion string.	#include <curses.h>
tputs	Output a string with terminal capabilities.	#include <curses.h>